140626430365 has 4 divisors (see below), whose sum is σ = 168751716444. Its totient is φ = 112501144288.

The previous prime is 140626430359. The next prime is 140626430381. The reversal of 140626430365 is 563034626041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79784781444 + 60841648921 = 282462^2 + 246661^2 .

It is a cyclic number.

It is not a de Polignac number, because 140626430365 - 2²³ = 140618041757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14062643032 + ... + 14062643041.

It is an arithmetic number, because the mean of its divisors is an integer number (42187929111).

Almost surely, 2^140626430365 is an apocalyptic number.

It is an amenable number.

140626430365 is a deficient number, since it is larger than the sum of its proper divisors (28125286079).

140626430365 is an equidigital number, since it uses as much as digits as its factorization.

140626430365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28125286078.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 140626430365 in words is "one hundred forty billion, six hundred twenty-six million, four hundred thirty thousand, three hundred sixty-five".